Software · System & repair

USB Imager

Write many USB drives at once.

Completely free
Linux
Open source

At a glance

All of USB Imager is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

USB-Imager writes a disk image to several USB drives at the same time. Connected drives are detected automatically. Drive access is handled by the udisks2 service of the system. Entering a password is only required for writing when the policy of the distribution in use demands it. Before writing, the image can be checked against a checksum. After writing, it is possible to verify the content of the drives. Features: Writing an image to multiple USB drives at once Automatic drive detection Fast writing through the sendfile() system call Adjustable write buffer between 1 MiB and 4 MiB Optional validation of the written image Optional checksum verification of the selected image Automatic unmounting of the drives Warning for ISO files that do not look bootable Statistics about writing time and overall speed Selectable color scheme (Auto, Light, Dark)

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) — 10 November 2026
Last technical check: 5 November 2026
Description from Flathub — AppStream (Flathub)

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